diff options
Diffstat (limited to 'meta-agl-bsp/meta-ti/recipes-arago/weston/weston/0001-weston-Enabling-DRM-backend-with-multiple-displays.patch')
| -rw-r--r-- | meta-agl-bsp/meta-ti/recipes-arago/weston/weston/0001-weston-Enabling-DRM-backend-with-multiple-displays.patch | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/meta-agl-bsp/meta-ti/recipes-arago/weston/weston/0001-weston-Enabling-DRM-backend-with-multiple-displays.patch b/meta-agl-bsp/meta-ti/recipes-arago/weston/weston/0001-weston-Enabling-DRM-backend-with-multiple-displays.patch new file mode 100644 index 000000000..2f215c9f0 --- /dev/null +++ b/meta-agl-bsp/meta-ti/recipes-arago/weston/weston/0001-weston-Enabling-DRM-backend-with-multiple-displays.patch @@ -0,0 +1,60 @@ +From b1829ce962aa4e13d737edb54130bdce05f068f0 Mon Sep 17 00:00:00 2001 +From: Karthik Ramanan <a0393906@ti.com> +Date: Wed, 17 Dec 2014 09:21:49 +0530 +Subject: [PATCH] weston: Enabling DRM backend with multiple displays + +There are three main issues that this patch tries to address + + 1. Black screen when running weston + 2. Support for multiple displays + 3. Handling missing VBlanks + +There is an issue with missing VBlanks for LCD and +HDMI connectors which leads to display not getting refreshed. +This patch can be considered as a workaround. + +Signed-off-by: Karthik Ramanan <a0393906@ti.com> +--- + src/compositor-drm.c | 10 ++++++++-- + 1 files changed, 8 insertions(+), 2 deletions(-) + +diff --git a/src/compositor-drm.c b/src/compositor-drm.c +index e4496e7..3b22aa3 100644 +--- a/src/compositor-drm.c ++++ b/src/compositor-drm.c +@@ -646,7 +646,7 @@ drm_output_repaint(struct weston_output *output_base, + .request.sequence = 1, + }; + +- if ((!s->current && !s->next) || ++ if ((!s->current && !s->next) && + !drm_sprite_crtc_supported(output_base, s->possible_crtcs)) + continue; + +@@ -757,6 +757,7 @@ page_flip_handler(int fd, unsigned int frame, + { + struct drm_output *output = (struct drm_output *) data; + uint32_t msecs; ++ uint32_t bail; + + /* We don't set page_flip_pending on start_repaint_loop, in that case + * we just want to page flip to the current buffer to get an accurate +@@ -769,9 +770,14 @@ page_flip_handler(int fd, unsigned int frame, + + output->page_flip_pending = 0; + ++ if(output->vblank_pending) { ++ weston_log("VBlank is pending for connector = %d, frame = %d\n", output->connector_id, frame); ++ bail = 1; ++ } ++ + if (output->destroy_pending) + drm_output_destroy(&output->base); +- else if (!output->vblank_pending) { ++ else if (!output->vblank_pending || bail ) { + msecs = sec * 1000 + usec / 1000; + weston_output_finish_frame(&output->base, msecs); + +-- +1.7.9.5 + |